Consumer goods giant Procter & Gamble (P&G) have promised to provide 15 billion liters of clean drinking water by 2020. The company hopes to do its part to reduce illness caused by contaminated water sources in developing nations. As part of its pledge, P&G has invented water-purifying packets that can clean 10 liters of dirty water per packet. The packets were created using research behind the creation of P&G’s laundry detergent. For more on this story, click here:: P&G makes bold energy and clean water pledges